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The procedure that Grogan performs, transoral endocrine surgery, applies the same laparoscopic or endoscopic techniques that are used to remove the gall bladder, appendix or colon. Cancers less than two centimetres and benign nodules under six centimetres can be removed using this procedure. He conducts these surgeries at Baylor St. Luke’s Medical Center, where he is section chief of endocrine surgery.
In this procedure, three small incisions are made on the inside of the lower lip. Through these incisions, the surgeon is able to place endoscopic instruments between the jaw and the skin to open up the working space needed to remove the gland, which is a short distance from the incision site. The procedure is performed under general anaesthesia and patients are required to stay in the hospital overnight.
Numerous other procedures have been developed to reduce the size of the incision on the neck or to get rid of it entirely.
“This approach is the culmination of work that has been done over the last 20 to 30 years internationally as well as in the United States,” Grogan said.
However, the other ‘scarless’ procedures that have been tried involve going through the armpit, the hairline in the back of the neck, or even the nipples, meaning that the patient would still have a scar, just not on the neck. The transoral endocrine procedure is the only procedure where there are no visible incisions. In addition, with the transoral procedure the lower lip incisions are very close to the target anatomy, so there is minimal increase in dissection relative to the traditional approach. This is in contrast to the other ‘scarless’ techniques where the incisions are made much further from the target anatomy. This is important since larger dissections can lead to increased pain, complications and recovery time.
The incisions on the inside of the lip are minimally painful, and patients usually take pain medication for a day or two after the surgery before switching to anti-inflammatory medication. Grogan recommends staying on a liquid diet for the first day after the surgery and then switching to soft foods for the following couple of days.
Patients are encouraged not to drive while they are on pain medication or if they have a stiff neck. They can experience bruising, swelling, tingling and temporary numbness of the lower lip, chin and upper neck, which should only last one to two weeks. Grogan usually recommends one week off from work after the procedure. The recovery time is similar to the traditional open approach.
As for the risks, published data from a series of cases done internationally has found that the complication rates for this procedure are comparable to the traditional open approach. These known complication risks include injury to the recurrent laryngeal nerve and injury to the parathyroids. There has been one surgical site infection in over 1,500 cases to date. The additional possible risk for this procedure is numbness of the chin or lip, which has been found in one in 1,500 of the cases studied in the international population so far. Grogan said that it is possible that anatomic differences between an American population and the international population could alter that risk profile, therefore more data needs to be collected to see how these data in an international population compares to the U.S. population.
Contact International Services at Baylor St Luke’s Medical Center via email at firstname.lastname@example.org or call +1 832 355 3350 or visit StLukesInternational.org
Location: Texas Medical Center, Houston, Texas, U.S.